PrimeWorldEditor/UI/WorldEditor/CLayersInstanceModel.cpp

120 lines
3.0 KiB
C++

#include "CLayersInstanceModel.h"
/* The tree has 3 levels:
* 1. Node Type (Script Object, Light) - represented with ID of 0
* 2. Layer - represented with flags
* 3. Instance - represented with pointer to instance (0x1 bit is guaranteed to be clear)
*
* Flags for Layer tree items:
* AAAAAAAAAAAAAAAAAAAAAAAAAAABBBBC
* A: Row index
* B: Node type row index
* C: Item type (ObjType, Instance)
*/
#define LAYERS_ROW_INDEX_MASK 0xFFFFFFE0
#define LAYERS_NODE_TYPE_MASK 0x0000001E
#define LAYERS_ITEM_TYPE_MASK 0x00000001
#define LAYERS_ROW_INDEX_SHIFT 5
#define LAYERS_NODE_TYPE_SHIFT 1
#define LAYERS_ITEM_TYPE_SHIFT 0
CLayersInstanceModel::CLayersInstanceModel(QObject *pParent) : QAbstractItemModel(pParent)
{
}
CLayersInstanceModel::~CLayersInstanceModel()
{
}
QVariant CLayersInstanceModel::headerData(int section, Qt::Orientation orientation, int role) const
{
if ((orientation == Qt::Horizontal) && (role == Qt::DisplayRole))
{
switch (section)
{
case 0: return "Name";
case 1: return "Type";
case 2: return "Show";
}
}
return QVariant::Invalid;
}
QModelIndex CLayersInstanceModel::index(int row, int column, const QModelIndex &parent) const
{
return QModelIndex();
}
QModelIndex CLayersInstanceModel::parent(const QModelIndex &child) const
{
return QModelIndex();
}
int CLayersInstanceModel::rowCount(const QModelIndex &parent) const
{
return 0;
}
int CLayersInstanceModel::columnCount(const QModelIndex &parent) const
{
return 3;
}
QVariant CLayersInstanceModel::data(const QModelIndex &index, int role) const
{
return QVariant::Invalid;
}
void CLayersInstanceModel::SetEditor(CWorldEditor *pEditor)
{
mpEditor = pEditor;
mpScene = (pEditor ? pEditor->Scene() : nullptr);
mpArea = (pEditor ? pEditor->ActiveArea() : nullptr);
}
void CLayersInstanceModel::NodeCreated(CSceneNode *pNode)
{
emit layoutChanged();
}
void CLayersInstanceModel::NodeDeleted(CSceneNode *pNode)
{
emit layoutChanged();
}
CScriptLayer* CLayersInstanceModel::IndexLayer(const QModelIndex& index) const
{
return nullptr;
}
CScriptObject* CLayersInstanceModel::IndexObject(const QModelIndex& index) const
{
return nullptr;
}
// ************ STATIC ************
CLayersInstanceModel::EIndexType CLayersInstanceModel::IndexType(const QModelIndex& index)
{
if (!index.isValid()) return eRootIndex;
else if (index.internalId() == 0) return eNodeTypeIndex;
else if (((index.internalId() & LAYERS_ITEM_TYPE_MASK) >> LAYERS_ITEM_TYPE_SHIFT) == 1) return eLayerIndex;
else return eInstanceIndex;
}
CLayersInstanceModel::ENodeType CLayersInstanceModel::IndexNodeType(const QModelIndex& index)
{
EIndexType type = IndexType(index);
switch (type)
{
case eRootIndex: return eInvalidType;
case eNodeTypeIndex: return (ENodeType) index.row();
case eLayerIndex: return (ENodeType) index.parent().row();
case eInstanceIndex: return (ENodeType) index.parent().parent().row();
default: return eInvalidType;
}
}